Octagonal inflatable spa



FIG. 1 is a perspective view of an octagonal inflatable spa showing ournew design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a first side elevational view thereof; and,

FIG. 5 is a second side elevational view thereof.

The broken lines in FIGS. 1-5 represent unclaimed portions of theoctagonal inflatable spa and form no part of the claimed design.

CLAIM The ornamental design for an octagonal inflatable spa, as shownand described.